Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é a média para o painel agrícola que possui uma Universidade Nacional da Irlanda inferior a 0?
 ###Tabelas: CREATE TABLE recent_champions (recent_champions_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Premier Division VARCHAR, Division One VARCHAR, Division Two VARCHAR, Division Three VARCHAR, Division Four VARCHAR, Division Five VARCHAR) CREATE TABLE pdc_premier_event_finals:_5_1_title_4_runner-ups (pdc_premier_event_finals:_5_1_title_4_runner-ups_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Year INT, Championship VARCHAR, Opponent in the final VARCHAR, Score (l) = score in legs, (s) = score in sets. VARCHAR) CREATE TABLE composition_of_the_20th_seanad (composition_of_the_20th_seanad_id AUTO_INCREMENT PRIMARY KEY, Administrative Panel INT, Agricultural Panel INT, Cultural and Educational Panel INT, Industrial and Commercial Panel INT, Labour Panel INT, National University of Ireland INT, University of Dublin INT, Nominated by the Taoiseach INT, Total INT) CREATE TABLE player_selections (player_selections_id AUTO_INCREMENT PRIMARY KEY, Rnd. VARCHAR, Pick # INT, NFL team VARCHAR, Pos. VARCHAR, College VARCHAR, Conf. VARCHAR) CREATE TABLE publication_history (publication_history_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Language VARCHAR, Title VARCHAR, Translator VARCHAR, Company VARCHAR, Pages INT)  
SELECT AVG Agricultural Panel FROM composition_of_the_20th_seanad WHERE National University of Ireland < 0